WO2021184433A1

WO2021184433A1 - Solid plant nutrient solution

Info

Publication number: WO2021184433A1
Application number: PCT/CN2020/083198
Authority: WO
Inventors: 龚化勤; 王飞
Original assignee: 福建省中科生物股份有限公司
Priority date: 2020-03-18
Filing date: 2020-04-03
Publication date: 2021-09-23
Also published as: CN111470898A

Abstract

Disclosed is a solid plant nutrient solution. The composition of the solid plant nutrient solution comprises bicarbonate and citric acid, and the mass ratio of bicarbonate to citric acid is 2-9:1. The potassium ions in the potassium bicarbonate in the nutrient solution can also be used as a source of plant nutrition, and at the specific ratio, citric acid can stabilize the acid-base balance of the nutrient solution during plant growth.

Description

A solid plant nutrient solution

Technical field

The invention relates to the technical field of plant nutrient solutions, in particular to a solid plant nutrient solution.

Background technique

Plant nutrient solution provides comprehensive mineral nutrients and other elements required by soilless plants, and is a new type of fertilizer. The nutrient elements required by plants in the nutrient solution can be combined in a scientific and rationalized ratio to provide suitable nutrient conditions for plant growth. The existing nutrient solutions mostly use compound mixing technology of different raw materials, resulting in poor product homogeneity and simplification of product specifications. It is often necessary to prepare the mother liquor at one time and then use it in batches. The mother liquor is not easy to store or requires specific tools to weigh. For preparation, there is a big difference in the amount of large and medium trace elements, the process is cumbersome and difficult to operate, and it is difficult to standardize and quantify, and it is not easy to use for simple family cultivation.

Summary of the invention

In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a solid plant nutrient solution, which makes the nutrient solution products into tablets, capsule-packed granular dispersants and other dosage forms to achieve better product uniformity Its scientific raw material grouping ratio and equal different components can be used to determine different dosages according to the volume of commonly used household cultivation devices, simplifying and facilitating people's use in household hydroponic gardening.

The specific technical scheme adopted by the present invention is:

A solid plant nutrient solution, the composition of which contains bicarbonate and citric acid, and the mass ratio of bicarbonate and citric acid is 2-9:1.

Preferably, the solid plant nutrient solution comprises independently set A solid and B solid, the mass ratios of potassium bicarbonate and citric acid in A solid and B solid are each 2-9:1, and the mass ratio of A solid and B solid is 2-9:1. There is no chemical reaction between other ingredients except potassium bicarbonate and citric acid.

More preferably, the A solid and the B solid are granules in tablets or capsules.

More preferably, A solid, B solid and C solid are granules in tablets or capsules.

More preferably, the A solid and the B solid have different colors.

More preferably, the colors of A solid, B solid and C solid are different.

Further, the solid A contains calcium salt, potassium salt, iron salt, molybdate, and nitrate; the solid B contains magnesium salt, potassium salt, phosphate, and trace elements.

Further, the solid A contains calcium salts, iron salts, and nitrates; the solid B contains iron salts, nitrates, and phosphates; and the solid C contains magnesium salts, phosphates, nitrates, and trace elements. .

The beneficial effects of the present invention are:

1. The fixed nutrient solution product provided by the present invention is made into fixed dosage forms such as effervescent tablets and capsules from unshaped compound powders to achieve better product uniformity, and different dosages are determined according to the volume of the cultivation device used. , Simplifying and facilitating people's use in household hydroponic gardening.

2. The present invention is divided into two fixed dosage forms A and B or three fixed dosage forms A, B, C, and a certain proportion of potassium bicarbonate and citric acid (2:1-9:1) is added to each fixed dosage form to facilitate It is dissolved and dispersed, and the potassium ions in potassium bicarbonate can also be used as a source of plant nutrition, and at this specific ratio, citric acid can stabilize the acid-base balance of the nutrient solution during plant growth.

Detailed ways

The present invention will be further described in detail below with reference to the examples, but the implementation of the present invention is not limited to this. Without departing from the above technical ideas of the present invention, various substitutions and changes can be made based on common technical knowledge and conventional means in the field. , Should be included in the scope of the present invention.

Example 1.

This embodiment provides an effervescent tablet type plant nutrient liquid product composition formula. The composition of the nutrient liquid is divided into two components A and B, which are respectively made into A and B tablets (A, B each Weighs about 1g). A tablet mainly contains 41.7% calcium salt, 12.4% potassium salt, 9.5% iron salt, 0.01% molybdate, 66.83% nitrate (including calcium salt and potassium salt), etc., and 16.3% potassium bicarbonate and 7.63% are added. Citric acid, the components are crushed and mixed uniformly and pressed into yellow flakes; B tablet mainly contains 39% magnesium salt, 19% potassium salt, 17.4% phosphate (including some potassium salt) and 1% other trace elements, and Add 16% potassium bicarbonate and 7.6% citric acid, pulverize the components, mix them, and press them into white or slightly pink flakes.

The above nutrient solution tablets were used for the cultivation test of lettuce, and one piece A and one piece B were successively added to 1 liter of water. After the tablets are completely disintegrated and dissolved, the initial conductivity of the nutrient solution is measured to be about 1.8mS/cm, and the initial pH is 6.0-6.5. During the planting process, the pH value and EC value of the nutrient solution are monitored, and the EC value is lower than 1.0mS When adding half A slice and half B slice respectively when /cm, the pH value of the nutrient solution can be kept within the ideal range of 5.5-6.5.

Example 2.

This embodiment provides a composition formula of a plant nutrient liquid product in a capsule-packed particle dispersion type, and the composition of the nutrient liquid is divided into two components, A and B. The A component mainly contains 43.5% calcium salt, 1% potassium salt, 10% iron salt, 0.01% molybdate, 60.39% nitrate (including calcium salt and potassium salt), etc., and 26.3% sodium bicarbonate and 3.3 are added. % Anhydrous citric acid, each component is crushed and mixed and granulated to make a granular dispersant. Take 1 gram and put it into A capsule; component B mainly contains 40.5% magnesium salt, 25.4% potassium salt, and 19% phosphoric acid Salt (including part of potassium salt) and 1% other trace elements, and add 13.2% sodium bicarbonate and 1.6% anhydrous citric acid, each component is crushed and mixed and granulated to make a granular dispersant. Take 1 gram to fill B capsule.

The above nutrient solution capsules were used for the lettuce cultivation test, and one A capsule and one B capsule were successively added to 1 liter of water. After the capsules are completely dissolved and dispersed, the initial conductivity of the nutrient solution is about 2.0mS/cm, and the initial pH is 6.0. The pH value and EC value of the nutrient solution are monitored during the planting process, and the pH value of the nutrient solution can be maintained well. Within the ideal range of 5.5-6.5.

Example 3.

This embodiment provides a composition formula of an effervescent tablet type plant nutrient liquid product. The composition of the nutrient liquid is divided into three components A, B, and C, which are respectively made into tablets A, B and C ( A, B, C each weighs about 0.8g). A tablet mainly contains 59% calcium salt, 13% iron salt, 60% nitrate (including calcium salt), etc., and 18% potassium bicarbonate and 9% citric acid are added. Yellow flakes; B tablet mainly contains 1% iron salt, 48% nitrate (including some potassium salt), 24% phosphate, and 18% potassium bicarbonate and 9% citric acid are added, and the components are crushed and mixed. , Pressed into light yellow flakes; C tablet mainly contains 55% magnesium salt, 3% phosphate, 13.5% nitrate, 1.5% trace elements, etc., and add 18% potassium bicarbonate and 9% citric acid, each component After crushing, mix well and press into white or slightly pink flakes.

The above nutrient solution tablets were used for the cultivation test of lettuce, and one piece of piece A, piece B and piece C were added to 1 liter of water successively. After the tablets were completely disintegrated and dissolved, the initial conductivity of the nutrient solution was measured to be about 2mS/cm, and the initial pH was 6.0-6.5. During the planting process, the pH value and EC value of the nutrient solution were monitored, and the EC value was lower than 1.0mS/cm. When cm, add half A and half B respectively, and the pH value of the nutrient solution can be kept within the ideal range of 5.5-6.5.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply one of these entities or operations. There is any such actual relationship or order between. Moreover, the terms "including", "including" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or terminal device including a series of elements not only includes those elements, but also includes those elements that are not explicitly listed. Other elements listed, or also include elements inherent to this process, method, article, or terminal device. Without further restrictions, the elements defined by the sentence "including..." or "including..." do not exclude the existence of other elements in the process, method, article, or terminal device that includes the elements. In addition, in this article, "greater than", "less than", "exceeding", etc. are understood to not include the number; "above", "below", "within", etc., are understood to include the number.

Although the foregoing embodiments have been described, those skilled in the art can make additional changes and modifications to these embodiments once they learn the basic creative concept. Therefore, the foregoing is only the implementation of the present invention. For example, this does not limit the scope of patent protection of the present invention. Any equivalent structure or equivalent process transformation made by the specification of the present invention, or directly or indirectly applied in other related technical fields, is also included in the patent protection of the present invention. Within range.

Claims

A solid plant nutrient solution, characterized in that its composition contains bicarbonate and citric acid, and the mass ratio of bicarbonate and citric acid is 2-9:1.
A solid plant nutrient solution, characterized in that its composition contains potassium bicarbonate and citric acid, and the mass ratio of potassium bicarbonate and citric acid is 2-9:1.
The solid plant nutrient solution according to claim 1 or 2, characterized in that the solid plant nutrient solution comprises independently set A solid and B solid, the quality of bicarbonate and citric acid in A solid and B solid The ratio is 2-9:1, and there is no chemical reaction between solid A and B solid except bicarbonate and citric acid.
The solid plant nutrient solution according to claim 1 or 2, wherein the solid plant nutrient solution comprises independently set A solid, B solid and C solid, and the hydrogen carbonate in A solid, B solid and C solid The mass ratio of salt and citric acid is 2-9:1, and there is no chemical reaction among the other components except bicarbonate and citric acid in A solid, B solid and C solid.
The solid plant nutrient solution according to claim 3, wherein the A solid and the B solid are granules in tablets or capsules.
The solid plant nutrient solution according to claim 4, wherein A solid, B solid and C solid are granules in tablets or capsules.
The solid plant nutrient solution according to claim 3, wherein the A solid and the B solid have different colors.
The solid plant nutrient solution according to claim 4, wherein the colors of A solid, B solid and C solid are different.
The solid plant nutrient solution according to claim 3, wherein the solid A contains calcium salt, potassium salt, iron salt, molybdate, and nitrate; the solid B contains magnesium salt, potassium Salt, phosphate, trace elements.
The solid plant nutrient solution according to claim 4, wherein the solid A contains calcium salt, iron salt, and nitrate; the solid B contains iron salt, nitrate, and phosphate; C solid contains magnesium salt, phosphate, nitrate and trace elements.